@misc{indiciaecfd59985294e,
  title = {Magnetic studies by the Geophysical Section of the United States Geological Survey},
  author = {F.W. Lee},
  year = {2014},
  doi = {10.1029/tr022i002p00460},
  url = {https://pubs.usgs.gov/publication/70213267},
  note = {Source identifier: 70213267}
}